Question: When a double bond has two identical groups (one on each vinylic position), we can use either cis-trans terminology or E-Z terminology: The configuration of

When a double bond has two identical groups (one on each vinylic position), we can use either cis-trans terminology or E-Z terminology:

The configuration of this double bond can be designated as either trans or E. Both designations are acceptable. In most cases, cis = Z and trans = E. However, there are exceptions. For example:

This compound is trans, but Z. Explain this exception, and then provide two other examples of exceptions.

trans or E CI

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When using cistrans terminology we look for two identical groups In this case there are two ethyl ... View full answer

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